Yelp/mrjob — pull request #854 by darthvadar (2014-01-09 19:43:15+00:00)
Title: Fixing a typo in option name in docs

Doc mentions "--ec2_instance_type" for command line invocation, but the option is actually "--ec-instance-type" (hyphen, not underscore) for its command line usage. Fixing the typo.